Manual completo de php

1. Manual de PHP Stig Sther Bakken Alexander Aulbach Egon Schmid Jim Winstead Lars Torben Wilson Rasmus Lerdorf Zeev Suraski Andrei Zmievski Jouni Ahto Editado por Rafael Martnez

2. Manual de PHP por Stig Sther Bakken, Alexander Aulbach, Egon Schmid, Jim Winstead, Lars Torben Wilson, Rasmus Lerdorf, Zeev Suraski, Andrei Zmievski, y Jouni Ahto Editado por Rafael Martnez Publicado 15-04-2001 Copyright 1997, 1998, 1999, 2000, 2001 por por el Grupo de documentacin de PHP Copyright Este manual es Copyright 1997, 1998, 1999, 2000, 2001 del Grupo de documentacin de PHP. Los miembros de este grupo se encuentran listados en la primera pgina de este manual. Este manual puede ser redistribuido bajo los trminos de la "GNU General Public License"publicada por la "Free Software Foundation"; tanto bajo la versin 2 de esta licencia o bajo versiones posteriores.

3. Tabla de contenidos Prefacio..................................................................................................................................................................................41 Sobre este Manual.........................................................................................................................................................41 Sobre la traduccin .......................................................................................................................................................41 I. Conceptos Bsicos .............................................................................................................................................................43 1. Introduccin..............................................................................................................................................................43 Qu es PHP?........................................................................................................................................................45 Qu se puede hacer con PHP?.............................................................................................................................45 Corta historia de PHP..........................................................................................................................................45 2. Instalacin.................................................................................................................................................................47 Bajndose la ltima versin ................................................................................................................................49 Instalacin en sistemas UNIX.............................................................................................................................49 Instrucciones Rpidas de Instalacin (Versin Mdulo de Apache) .........................................................49 Conguracin ............................................................................................................................................49 Mdulo del Apache....................................................................................................................................50 Mdulo fhttpd............................................................................................................................................50 CGI version................................................................................................................................................50 Opciones de soporte para Base de Datos...................................................................................................50 Adabas D..........................................................................................................................................50 dBase................................................................................................................................................50 lePro...............................................................................................................................................50 mSQL...............................................................................................................................................51 MySQL.............................................................................................................................................51 iODBC .............................................................................................................................................51 OpenLink ODBC .............................................................................................................................51 Oracle...............................................................................................................................................51 PostgreSQL ......................................................................................................................................52 Solid .................................................................................................................................................52 Sybase ..............................................................................................................................................52 Sybase-CT........................................................................................................................................52 Velocis..............................................................................................................................................52 Una librera a medida de ODBC......................................................................................................52 ODBC Unicado..............................................................................................................................53 LDAP ...............................................................................................................................................53 Otras opciones de conguracin................................................................................................................53 with-mcrypt=DIR ..........................................................................................................................53 enable-sysvsem ..............................................................................................................................53 enable-sysvshm ..............................................................................................................................53 with-xml.........................................................................................................................................53 enable-maintainer-mode.................................................................................................................54 with-system-regex..........................................................................................................................54 with-cong-le-path.......................................................................................................................54 with-exec-dir ..................................................................................................................................54 enable-debug ..................................................................................................................................54 enable-safe-mode ...........................................................................................................................54 enable-track-vars............................................................................................................................55 enable-magic-quotes ......................................................................................................................55 enable-debugger .............................................................................................................................55 enable-discard-path ........................................................................................................................55 enable-bcmath ................................................................................................................................55 enable-force-cgi-redirect................................................................................................................55 disable-short-tags ...........................................................................................................................56 enable-url-includes.........................................................................................................................56 disable-syntax-hl ............................................................................................................................56 5

4. CPPFLAGS y LDFLAGS ................................................................................................................56 Construyendo.............................................................................................................................................56 Probando....................................................................................................................................................56 Comprobando la velocidad........................................................................................................................56 Instalacin en sistemas Windows 95/98/NT .......................................................................................................57 Pasos Generales de Instalacin..................................................................................................................57 Windows 95/98/NT y PWS/IIS 3 ..............................................................................................................57 Windows NT e IIS 4 ..................................................................................................................................58 Windows 9x/NT y Apache 1.3.x................................................................................................................59 Omni HTTPd 2.0b1 para Windows ...........................................................................................................59 Mdulos del PHP.......................................................................................................................................59 Problemas? ........................................................................................................................................................60 Lea las PMF (FAQ)....................................................................................................................................60 Informes de error .......................................................................................................................................60 Otros problemas.........................................................................................................................................60 3. Conguracin............................................................................................................................................................61 El archivo de conguracin.................................................................................................................................63 Directivas Generales de Conguracin .....................................................................................................63 Directivas de Conguracin de Correo......................................................................................................66 Directivas de Conguracin de Modo Seguro...........................................................................................66 Directivas de Conguracin del Debugger................................................................................................67 Directivas de Carga de Extensiones...........................................................................................................67 Directivas de Conguracin de MySQL....................................................................................................67 Directivas de Conguracin de mSQL......................................................................................................67 Directivas de Conguracin de Postgres...................................................................................................68 SESAM Conguration Directives .............................................................................................................68 Directivas de Conguracin de Sybase .....................................................................................................68 Directivas de Conguracin de Sybase-CT...............................................................................................69 Directivas de Conguracin de Informix ..................................................................................................69 Directivas de Conguracin de Matemtica BC .......................................................................................70 Directivas de Conguracin de Capacidades de los Navegadores ............................................................70 Directivas Unicadas de Conguracin de ODBC ...................................................................................70 4. Seguridad ..................................................................................................................................................................73 Binarios CGI .......................................................................................................................................................75 Posibles ataques.........................................................................................................................................75 Caso 1: solamente se sirven cheros publicos...........................................................................................75 Caso 2: usando enable-force-cgi-redirect................................................................................................76 Caso 3: Usando doc_root or user_dir ........................................................................................................76 Caso 4: Analizador PHP fuera del arbol web. ...........................................................................................76 Modulo Apache...................................................................................................................................................77 II. Referencia del Lenguaje..................................................................................................................................................79 5. Sintaxis bsica...........................................................................................................................................................79 Saliendo de HTML..............................................................................................................................................81 Separacin de instrucciones ................................................................................................................................81 Comentarios ........................................................................................................................................................81 6. Types.........................................................................................................................................................................83 Enteros.................................................................................................................................................................85 Nmeros en punto otante ..................................................................................................................................85 Cadenas ...............................................................................................................................................................85 Conversin de cadenas...............................................................................................................................87 Arrays..................................................................................................................................................................87 Arrays unidimensionales ...........................................................................................................................87 Arrays Multidimensionales........................................................................................................................88 Objetos ................................................................................................................................................................89 Inicializacin de Objetos ...........................................................................................................................89 6

5. Type juggling.......................................................................................................................................................90 Forzado de tipos.........................................................................................................................................90 7. Variables....................................................................................................................................................................93 Conceptos Bsicos...............................................................................................................................................95 Variables predenidas .........................................................................................................................................95 Variables de Apache ..................................................................................................................................96 Variables de entorno ..................................................................................................................................97 Variables de PHP .......................................................................................................................................97 Ambito de las variables .......................................................................................................................................98 Variables variables.............................................................................................................................................100 Variables externas a PHP...................................................................................................................................100 Formularios HTML (GET y POST) ........................................................................................................100 IMAGE SUBMIT variable names..................................................................................................101 Cookies HTTP .........................................................................................................................................101 Variables de entorno ................................................................................................................................102 Puntos en los nombres de variables de entrada........................................................................................102 Determinando los tipos de variables........................................................................................................102 8. Constantes...............................................................................................................................................................103 9. Expresiones.............................................................................................................................................................107 10. Operadores............................................................................................................................................................111 Operadores Aritmticos.....................................................................................................................................113 Operadores de Asignacin ................................................................................................................................113 Operadores Bit a bit...........................................................................................................................................113 Operadores de Comparacin .............................................................................................................................114 Operador de ejecucin.......................................................................................................................................114 Operadores de Incremento/decremento.............................................................................................................115 Operadores Lgicos...........................................................................................................................................115 Precedencia de Operadores ...............................................................................................................................115 Operadores de Cadenas .....................................................................................................................................116 11. Estructuras de Control...........................................................................................................................................117 if.......................................................................................................................................................................119 else ..................................................................................................................................................................119 elseif..............................................................................................................................................................119 Sintaxis Alternativa de Estructuras de Control .................................................................................................120 while ................................................................................................................................................................120 do..while .......................................................................................................................................................121 for ....................................................................................................................................................................122 foreach............................................................................................................................................................123 break ................................................................................................................................................................124 continue..........................................................................................................................................................125 switch..............................................................................................................................................................125 require()............................................................................................................................................................127 include()............................................................................................................................................................128 require_once()..................................................................................................................................................131 include_once()..................................................................................................................................................133 12. Funciones..............................................................................................................................................................135 Funciones denidas por el usuario....................................................................................................................137 Parmetros de las funciones ..............................................................................................................................137 Pasar parmetros por referencia...............................................................................................................137 Parmetros por defecto ............................................................................................................................138 Lista de longitud variable de parmetros.................................................................................................139 Devolver valores................................................................................................................................................139 old_function.................................................................................................................................................139 Funciones variable.............................................................................................................................................139 13. Clases y Objetos....................................................................................................................................................141 class ................................................................................................................................................................143 7

6. 14. References Explained............................................................................................................................................145 What are References..........................................................................................................................................147 What do References ..........................................................................................................................................147 What arent References .....................................................................................................................................147 Returning References ........................................................................................................................................147 Unsetting References.........................................................................................................................................148 Spotting the Reference ......................................................................................................................................148 global References..................................................................................................................................148 $this.......................................................................................................................................................148 III. Caractersticas..............................................................................................................................................................149 15. Manejando errores ................................................................................................................................................149 16. Creando imgenes GIF .........................................................................................................................................153 17. Autenticacin HTTP con PHP............................................................................................................................157 18. Cookies .................................................................................................................................................................161 19. El envo de archivos..............................................................................................................................................165 Envo de archivos con el mtodo POST............................................................................................................167 Errores comunes................................................................................................................................................167 Envo de ms de un archivo...............................................................................................................................167 Soporte del mtodo PUT...................................................................................................................................168 20. Usando archivos remotos......................................................................................................................................171 21. Manejando conexiones..........................................................................................................................................175 22. Conexiones persistentes a bases de datos .............................................................................................................179 IV. Referencia de las Funciones ........................................................................................................................................183 I. Funciones especcas de Apache ............................................................................................................................183 apache_lookup_uri ............................................................................................................................................185 apache_note.......................................................................................................................................................185 getallheaders......................................................................................................................................................185 virtual ................................................................................................................................................................186 II. Funciones de matrices............................................................................................................................................187 array...................................................................................................................................................................189 array_count_values............................................................................................................................................189 array_ip ...........................................................................................................................................................189 array_keys .........................................................................................................................................................190 array_merge.......................................................................................................................................................190 array_pad...........................................................................................................................................................191 array_pop...........................................................................................................................................................191 array_push .........................................................................................................................................................192 array_reverse .....................................................................................................................................................192 array_shift..........................................................................................................................................................193 array_slice .........................................................................................................................................................193 array_splice .......................................................................................................................................................194 array_unshift......................................................................................................................................................195 array_values.......................................................................................................................................................195 array_walk.........................................................................................................................................................196 arsort..................................................................................................................................................................196 asort ...................................................................................................................................................................197 compact .............................................................................................................................................................197 count..................................................................................................................................................................198 current................................................................................................................................................................198 each....................................................................................................................................................................199 end .....................................................................................................................................................................200 extract................................................................................................................................................................200 in_array..............................................................................................................................................................201 key .....................................................................................................................................................................201 krsort..................................................................................................................................................................202 8

7. ksort...................................................................................................................................................................202 list......................................................................................................................................................................202 next....................................................................................................................................................................203 pos .....................................................................................................................................................................203 prev....................................................................................................................................................................204 rango..................................................................................................................................................................204 reset ...................................................................................................................................................................204 rsort....................................................................................................................................................................204 shufe ................................................................................................................................................................205 sizeof .................................................................................................................................................................205 sort.....................................................................................................................................................................205 uasort .................................................................................................................................................................206 uksort.................................................................................................................................................................206 usort...................................................................................................................................................................207 III. Funciones Ortogrcas .........................................................................................................................................209 aspell_new.........................................................................................................................................................211 aspell_check ......................................................................................................................................................211 aspell_check-raw...............................................................................................................................................211 aspell_suggest....................................................................................................................................................212 IV. Funciones matemticas de precisin arbitraria.....................................................................................................213 bcadd .................................................................................................................................................................215 bccomp ..............................................................................................................................................................215 bcdiv ..................................................................................................................................................................215 bcmod................................................................................................................................................................215 bcmul.................................................................................................................................................................215 bcpow ................................................................................................................................................................216 bcscale ...............................................................................................................................................................216 bcsqrt .................................................................................................................................................................216 bcsub..................................................................................................................................................................216 V. Bzip2 Compression Functions ...............................................................................................................................217 bzclose...............................................................................................................................................................219 bzcompress........................................................................................................................................................219 bzdecompress ....................................................................................................................................................219 bzerrno...............................................................................................................................................................220 bzerror ...............................................................................................................................................................220 bzerrstr...............................................................................................................................................................220 bzush ...............................................................................................................................................................221 bzopen ...............................................................................................................................................................221 bzread ................................................................................................................................................................221 bzwrite...............................................................................................................................................................222 VI. Funciones de calendario .......................................................................................................................................223 JDToGregorian ..................................................................................................................................................225 GregorianToJD ..................................................................................................................................................225 JDToJulian.........................................................................................................................................................225 JulianToJD.........................................................................................................................................................225 JDToJewish........................................................................................................................................................226 JewishToJD........................................................................................................................................................226 JDToFrench .......................................................................................................................................................226 FrenchToJD .......................................................................................................................................................226 JDMonthName ..................................................................................................................................................226 JDDayOfWeek...................................................................................................................................................227 easter_date.........................................................................................................................................................227 easter_days ........................................................................................................................................................228 VII. CCVS API Functions ..........................................................................................................................................229 231 VIII. soporte de las funciones COM para Windows...................................................................................................233 9

8. com_load ...........................................................................................................................................................235 com_invoke .......................................................................................................................................................235 com_propget......................................................................................................................................................235 com_get .............................................................................................................................................................235 com_propput......................................................................................................................................................235 com_propset ......................................................................................................................................................235 com_set..............................................................................................................................................................235 IX. Funciones de Clases/Objectos ..............................................................................................................................237 get_class_methods.............................................................................................................................................239 get_class_vars....................................................................................................................................................239 get_object_vars..................................................................................................................................................239 method_exists....................................................................................................................................................239 X. Funciones de ClibPDF ...........................................................................................................................................241 cpdf_global_set_document_limits ....................................................................................................................245 cpdf_set_creator ................................................................................................................................................245 cpdf_set_title .....................................................................................................................................................245 cpdf_set_subject................................................................................................................................................245 cpdf_set_keywords............................................................................................................................................245 cpdf_open..........................................................................................................................................................246 cpdf_close..........................................................................................................................................................246 cpdf_page_init...................................................................................................................................................246 cpdf_nalize_page ............................................................................................................................................246 cpdf_nalize......................................................................................................................................................247 cpdf_output_buffer............................................................................................................................................247 cpdf_save_to_le...............................................................................................................................................247 cpdf_set_current_page ......................................................................................................................................247 cpdf_begin_text.................................................................................................................................................248 cpdf_end_text....................................................................................................................................................248 cpdf_show .........................................................................................................................................................248 cpdf_show_xy ...................................................................................................................................................248 cpdf_text............................................................................................................................................................249 cpdf_set_font.....................................................................................................................................................249 cpdf_set_leading................................................................................................................................................249 cpdf_set_text_rendering....................................................................................................................................250 cpdf_set_horiz_scaling......................................................................................................................................250 cpdf_set_text_rise..............................................................................................................................................250 cpdf_set_text_matrix.........................................................................................................................................250 cpdf_set_text_pos..............................................................................................................................................250 cpdf_set_char_spacing ......................................................................................................................................251 cpdf_set_word_spacing.....................................................................................................................................251 cpdf_continue_text............................................................................................................................................251 cpdf_stringwidth................................................................................................................................................251 cpdf_save...........................................................................................................................................................251 cpdf_restore.......................................................................................................................................................252 cpdf_translate ....................................................................................................................................................252 cpdf_scale..........................................................................................................................................................252 cpdf_rotate.........................................................................................................................................................252 cpdf_setat ........................................................................................................................................................253 cpdf_setlinejoin .................................................................................................................................................253 cpdf_setlinecap..................................................................................................................................................253 cpdf_setmiterlimit .............................................................................................................................................253 cpdf_setlinewidth ..............................................................................................................................................253 cpdf_setdash......................................................................................................................................................254 cpdf_moveto......................................................................................................................................................254 cpdf_rmoveto.....................................................................................................................................................254 cpdf_curveto......................................................................................................................................................254 10

9. cpdf_lineto.........................................................................................................................................................255 cpdf_rlineto .......................................................................................................................................................255 cpdf_circle.........................................................................................................................................................255 cpdf_arc.............................................................................................................................................................255 cpdf_rect............................................................................................................................................................256 cpdf_closepath...................................................................................................................................................256 cpdf_stroke........................................................................................................................................................256 cpdf_closepath_stroke.......................................................................................................................................256 cpdf_ll .............................................................................................................................................................256 cpdf_ll_stroke..................................................................................................................................................257 cpdf_closepath_ll_stroke.................................................................................................................................257 cpdf_clip............................................................................................................................................................257 cpdf_setgray_ll................................................................................................................................................257 cpdf_setgray_stroke...........................................................................................................................................258 cpdf_setgray ......................................................................................................................................................258 cpdf_setrgbcolor_ll .........................................................................................................................................258 cpdf_setrgbcolor_stroke ....................................................................................................................................258 cpdf_setrgbcolor................................................................................................................................................258 cpdf_add_outline...............................................................................................................................................259 cpdf_set_page_animation..................................................................................................................................259 cpdf_import_jpeg ..............................................................................................................................................260 cpdf_place_inline_image ..................................................................................................................................260 cpdf_add_annotation .........................................................................................................................................260 XI. CURL, Client URL Library Functions.................................................................................................................261 curl_init .............................................................................................................................................................263 curl_setopt .........................................................................................................................................................263 curl_exec ...........................................................................................................................................................265 curl_close ..........................................................................................................................................................265 curl_version.......................................................................................................................................................265 XII. Funciones de pago electrnico ............................................................................................................................267 cybercash_encr..................................................................................................................................................269 cybercash_decr..................................................................................................................................................269 cybercash_base64_encode.................................................................................................................................269 cybercash_base64_decode.................................................................................................................................269 XIII. Character type functions ....................................................................................................................................271 ctype_alnum ......................................................................................................................................................273 ctype_alpha........................................................................................................................................................273 ctype_cntrl.........................................................................................................................................................273 ctype_digit.........................................................................................................................................................273 ctype_lower .......................................................................................................................................................273 ctype_graph .......................................................................................................................................................273 ctype_print.........................................................................................................................................................273 ctype_punct .......................................................................................................................................................274 ctype_space .......................................................................................................................................................274 ctype_upper .......................................................................................................................................................274 ctype_xdigit.......................................................................................................................................................274 XIV. Funciones de la capa de abstraccion de bases de datos (dbm-style)..................................................................275 dba_close...........................................................................................................................................................277 dba_delete..........................................................................................................................................................277 dba_exists..........................................................................................................................................................277 dba_fetch ...........................................................................................................................................................277 dba_rstkey .......................................................................................................................................................278 dba_insert ..........................................................................................................................................................278 dba_nextkey.......................................................................................................................................................278 dba_popen .........................................................................................................................................................278 dba_open ...........................................................................................................................................................279 11

10. dba_optimize .....................................................................................................................................................279 dba_replace........................................................................................................................................................279 dba_sync............................................................................................................................................................280 XV. Funciones de fecha y hora...................................................................................................................................281 checkdate...........................................................................................................................................................283 date ....................................................................................................................................................................283 getdate ...............................................................................................................................................................284 gettimeofday......................................................................................................................................................284 gmdate ...............................................................................................................................................................285 gmmktime..........................................................................................................................................................285 gmstrftime .........................................................................................................................................................285 microtime ..........................................................................................................................................................286 mktime...............................................................................................................................................................286 strftime ..............................................................................................................................................................287 time....................................................................................................................................................................288 XVI. Funciones para dBase ........................................................................................................................................289 dbase_create ......................................................................................................................................................291 dbase_open........................................................................................................................................................291 dbase_close........................................................................................................................................................292 dbase_pack ........................................................................................................................................................292 dbase_add_record..............................................................................................................................................292 dbase_replace_record........................................................................................................................................292 dbase_delete_record..........................................................................................................................................292 dbase_get_record...............................................................................................................................................293 dbase_get_record_with_names .........................................................................................................................293 dbase_numelds................................................................................................................................................293 dbase_numrecords.............................................................................................................................................293 XVII. Funciones dbm..................................................................................................................................................295 dbmopen............................................................................................................................................................297 dbmclose............................................................................................................................................................297 dbmexists...........................................................................................................................................................297 dbmfetch............................................................................................................................................................297 dbminsert...........................................................................................................................................................297 dbmreplace ........................................................................................................................................................298 dbmdelete ..........................................................................................................................................................298 dbmrstkey........................................................................................................................................................298 dbmnextkey .......................................................................................................................................................298 dblist..................................................................................................................................................................299 XVIII. dbx functions...................................................................................................................................................301 dbx_close...........................................................................................................................................................303 dbx_connect ......................................................................................................................................................303 dbx_error ...........................................................................................................................................................304 dbx_query..........................................................................................................................................................304 dbx_sort.............................................................................................................................................................306 dbx_cmp_asc.....................................................................................................................................................306 dbx_cmp_desc...................................................................................................................................................307 XIX. Funciones con directorios..................................................................................................................................309 chdir...................................................................................................................................................................311 dir ......................................................................................................................................................................311 closedir ..............................................................................................................................................................311 opendir...............................................................................................................................................................311 readdir................................................................................................................................................................311 rewinddir ...........................................................................................................................................................312 XX. Funciones de DOM XML ...................................................................................................................................313 xmldoc...............................................................................................................................................................315 xmldocle..........................................................................................................................................................315 12

11. xmltree...............................................................................................................................................................315 XXI. Error Handling and Logging Functions.............................................................................................................317 error_log............................................................................................................................................................319 error_reporting ..................................................................................................................................................320 restore_error_handler ........................................................................................................................................320 set_error_handler...............................................................................................................................................320 trigger_error ......................................................................................................................................................322 user_error ..........................................................................................................................................................323 XXII. Funciones lePro..............................................................................................................................................325 lepro ................................................................................................................................................................327 lepro_eldname...............................................................................................................................................327 lepro_eldtype ................................................................................................................................................327 lepro_eldwidth ..............................................................................................................................................327 lepro_retrieve ..................................................................................................................................................327 lepro_eldcount ..............................................................................................................................................327 lepro_rowcount ...............................................................................................................................................328 XXIII. Funciones del sistema de cheros...................................................................................................................329 basename ...........................................................................................................................................................331 chgrp..................................................................................................................................................................331 chmod................................................................................................................................................................331 chown ................................................................................................................................................................332 clearstatcache ....................................................................................................................................................332 copy ...................................................................................................................................................................332 delete .................................................................................................................................................................333 dirname..............................................................................................................................................................333 diskfreespace .....................................................................................................................................................333 fclose .................................................................................................................................................................333 feof ....................................................................................................................................................................334 fgetc...................................................................................................................................................................334 fgetcsv ...............................................................................................................................................................334 fgets ...................................................................................................................................................................335 fgetss..................................................................................................................................................................335 le......................................................................................................................................................................336 le_exists...........................................................................................................................................................336 leatime.............................................................................................................................................................336 lectime.............................................................................................................................................................336 legroup.............................................................................................................................................................337 leinode.............................................................................................................................................................337 lemtime............................................................................................................................................................337 leowner............................................................................................................................................................337 leperms............................................................................................................................................................337 lesize................................................................................................................................................................338 letype...............................................................................................................................................................338 ock...................................................................................................................................................................338 fopen..................................................................................................................................................................339 fpassthru ............................................................................................................................................................340 fputs...................................................................................................................................................................340 fread...................................................................................................................................................................340 fseek ..................................................................................................................................................................340 ftell ....................................................................................................................................................................341 fwrite .................................................................................................................................................................341 set_le_buffer....................................................................................................................................................341 is_dir..................................................................................................................................................................342 is_executable .....................................................................................................................................................342 is_le .................................................................................................................................................................342 is_link................................................................................................................................................................342 13

12. is_readable.........................................................................................................................................................343 is_writeable .......................................................................................................................................................343 link.....................................................................................................................................................................343 linkinfo ..............................................................................................................................................................343 mkdir .................................................................................................................................................................344 pclose.................................................................................................................................................................344 popen .................................................................................................................................................................344 readle...............................................................................................................................................................345 readlink..............................................................................................................................................................345 rename ...............................................................................................................................................................345 rewind................................................................................................................................................................345 rmdir..................................................................................................................................................................346 stat .....................................................................................................................................................................346 lstat ....................................................................................................................................................................347 symlink..............................................................................................................................................................347 tempnam............................................................................................................................................................347 touch..................................................................................................................................................................348 umask ................................................................................................................................................................348 unlink.................................................................................................................................................................348 XXIV. Funciones Forms Data Format (Formato de Datos de Formularios) ..............................................................351 fdf_open ............................................................................................................................................................353 fdf_close............................................................................................................................................................353 fdf_create...........................................................................................................................................................353 fdf_save .............................................................................................................................................................354 fdf_get_value.....................................................................................................................................................354 fdf_set_value .....................................................................................................................................................354 fdf_next_eld_name..........................................................................................................................................354 fdf_set_ap..........................................................................................................................................................355 fdf_set_status.....................................................................................................................................................355 fdf_get_status ....................................................................................................................................................355 fdf_set_le.........................................................................................................................................................355 fdf_get_le ........................................................................................................................................................356 XXV. Funciones FTP..................................................................................................................................................357 ftp_connect........................................................................................................................................................359 ftp_login ............................................................................................................................................................359 ftp_pwd..............................................................................................................................................................359 ftp_cdup.............................................................................................................................................................359 ftp_chdir ............................................................................................................................................................359 ftp_mkdir...........................................................................................................................................................359 ftp_rmdir............................................................................................................................................................360 ftp_nlist..............................................................................................................................................................360 ftp_rawlist..........................................................................................................................................................360 ftp_systype ........................................................................................................................................................360 ftp_pasv .............................................................................................................................................................360 ftp_get................................................................................................................................................................361 ftp_fget ..............................................................................................................................................................361 ftp_put ...............................................................................................................................................................361 ftp_fput........................................................................................................................................

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Manual completo de php

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